Malicious PDF — malware analysis report

Static analysis result for SHA-256 5860f4d7b35974a9…

MALICIOUS

PDF

15.0 KB Created: 2019-05-02 11:11:07 +01:00 Authoring application: mPDF 5.7
MD5: 846f6e11f2406715467168008f3f2e37 SHA-1: b445ff053d1a6fd5af5a664c923acd663ba5adb3 SHA-256: 5860f4d7b35974a9845c7c0dbf6f97c5d5fb026928709fedfc2955b245f922cd
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a link farm with 21 external URLs, indicating a social engineering attempt to direct users to potentially malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://muicuiu.dumb1.com/4a00a01a04a04a00/Hear-Me-Out-Hawks-MC-Caroline-Springs-Charter-5-by-Lila-Rose.pdf
    • http://muicuiu.dumb1.com/3a06a00a00a09a09/Living-Without-Hawks-MC-Caroline-Springs-Charter-4-by-Lila-Rose.pdf
    • http://muicuiu.dumb1.com/3a06a00a00a09a08/Hiding-Out-Hawks-MC-Caroline-Springs-Charter-2-by-Lila-Rose.pdf
    • http://muicuiu.dumb1.com/1a04a05a04a00a06/Holding-Out-Hawks-Motorcycle-Club-1-by-Lila-Rose.pdf
    • http://muicuiu.dumb1.com/9a09a07a00/Holding-Out-Hawks-Motorcycle-Club-1-by-Lila-Rose.pdf
    • http://muicuiu.dumb1.com/3a06a04a06a03a05/Coming-Out-Hawks-Motorcycle-Club-4-5-by-Lila-Rose.pdf
    • http://muicuiu.dumb1.com/1a02a00a04a01a05/Climbing-Out-Hawks-Motorcycle-Club-2-by-Lila-Rose.pdf
    • http://muicuiu.dumb1.com/7a09a07a03a00a02/Left-to-Chance-by-Lila-Rose.pdf
    • http://muicuiu.dumb1.com/2a04a09a00a01a08/Left-to-Chance-Trinity-Love-1-by-Lila-Rose.pdf
    • http://muicuiu.dumb1.com/8a03a01a04a01/Rose-Red-Everland-Ever-After-7-by-Caroline-Lee.pdf
    • http://muicuiu.dumb1.com/1a03a02a02a07/May-B-by-Caroline-Starr-Rose.pdf
    • http://muicuiu.dumb1.com/8a03a04a04a06/Briar-Rose-Everland-Ever-After-6-by-Caroline-Lee.pdf
    • http://muicuiu.dumb1.com/4a06a01a07a02a05/Blue-Birds-by-Caroline-Starr-Rose.pdf
    • http://muicuiu.dumb1.com/2a08a03a03a05a06/Making-Changes-Making-Series-1-by-Lila-Rose.pdf
    • http://muicuiu.dumb1.com/9a04a08a06a00a09/Martin-Suter-quot-lila-Lila-quot-Der-Roman-in-Der-Kritik-by-Juliane-Ziegler.pdf
    • http://muicuiu.dumb1.com/1a05a02a07a09a05/Dear-Home-The-1901-and-1902-Diaries-of-Mabel-Lila-Wait-by-Mabel-Lila-Wait.pdf
    • http://muicuiu.dumb1.com/6a08a01a01a01a07/Bourbon-Springs-Box-Set-Volume-II-Bourbon-Springs-4-6-by-Jennifer-Bramseth.pdf
    • http://muicuiu.dumb1.com/1a01a08a07a01a00a09/The-Secrets-of-Mystic-Springs-Mystic-Springs-2-by-Mona-Marple.pdf
    • http://muicuiu.dumb1.com/6a06a00a03a03/The-Charter-by-Gillian-Hamer.pdf
    • http://muicuiu.dumb1.com/2a08a06a06a06a06/The-Night-Charter-Camaro-Espinoza-1-by-Sam-Hawken.pdf
    • http://muicuiu.dumb1.com/8a03a04a04a06/Briar-Rose-Everland-Ever-After-6-by-Caroline-Le

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